Quote:
Originally Posted by phattyduck
20% fuel trim is *not* normal. Mine are all less than +/-5% I bet you still have something up, whether it is a leaking vacuum line or a dirty/worn/broken sensor...
17mpg is fine for your truck setup, at least - especially if you haven't calculated the tire size change into that figure.
-Charlie
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Its within spec. Its on the high side but within spec...and if it wasn't I would be throwing a code.
but i wont deny there may be some leak or sensor that is putting this on the higher side. I need to smoke it out.
